Report Summary

  • 24

    Performance

    Renders faster than
    43% of other websites

  • 68

    Accessibility

    Visual factors better than
    that of 33% of websites

  • 58

    Best Practices

    More advanced features
    available than in
    19% of websites

  • 79

    SEO

    Google-friendlier than
    40% of websites

tvkniga.ru

Твоя Книга - Все книги здесь, более ста тысяч наименований. Москва.

Page Load Speed

4.1 sec in total

First Response

1.2 sec

Resources Loaded

2.5 sec

Page Rendered

498 ms

tvkniga.ru screenshot

About Website

Click here to check amazing Tvkniga content for Russia. Otherwise, check out these important facts you probably never knew about tvkniga.ru

tvkniga.ru - Интеренет сайт лучших книг, самый большой выбор, лучший ассортимент, множество бесцелеров, и интересных редких изданий, редкие каталоги, и книги для знаний.

Visit tvkniga.ru

Key Findings

We analyzed Tvkniga.ru page load time and found that the first response time was 1.2 sec and then it took 3 sec to load all DOM resources and completely render a web page. This is a poor result, as 50% of websites can load faster.

Performance Metrics

tvkniga.ru performance score

24

Measured Metrics

name

value

score

weighting

FCP (First Contentful Paint)

Value2.2 s

77/100

10%

LCP (Largest Contentful Paint)

Value8.5 s

2/100

25%

SI (Speed Index)

Value9.2 s

13/100

10%

TBT (Total Blocking Time)

Value2,150 ms

6/100

30%

CLS (Cumulative Layout Shift)

Value0.133

81/100

15%

TTI (Time to Interactive)

Value14.1 s

10/100

10%

Network Requests Diagram

tvkniga.ru

1162 ms

basic000.css

95 ms

detail00.css

280 ms

wikim.css

186 ms

jquery.min.js

35 ms

Our browser made a total of 51 requests to load all elements on the main page. We found that 90% of them (46 requests) were addressed to the original Tvkniga.ru, 8% (4 requests) were made to Mc.yandex.ru and 2% (1 request) were made to Ajax.googleapis.com. The less responsive or slowest element that took the longest time to load (1.2 sec) belongs to the original domain Tvkniga.ru.

Page Optimization Overview & Recommendations

Page size can be reduced by 168.5 kB (39%)

Content Size

427.5 kB

After Optimization

259.1 kB

In fact, the total size of Tvkniga.ru main page is 427.5 kB. This result falls beyond the top 1M of websites and identifies a large and not optimized web page that may take ages to load. 35% of websites need less resources to load. Images take 207.0 kB which makes up the majority of the site volume.

HTML Optimization

-86%

Potential reduce by 40.4 kB

  • Original 47.3 kB
  • After minification 40.5 kB
  • After compression 6.8 kB

HTML content can be minified and compressed by a website’s server. The most efficient way is to compress content using GZIP which reduces data amount travelling through the network between server and browser. This page needs HTML code to be minified as it can gain 6.7 kB, which is 14% of the original size. It is highly recommended that content of this web page should be compressed using GZIP, as it can save up to 40.4 kB or 86% of the original size.

Image Optimization

-0%

Potential reduce by 371 B

  • Original 207.0 kB
  • After minification 206.6 kB

Image size optimization can help to speed up a website loading time. The chart above shows the difference between the size before and after optimization. Tvkniga images are well optimized though.

JavaScript Optimization

-64%

Potential reduce by 43.1 kB

  • Original 66.9 kB
  • After minification 66.9 kB
  • After compression 23.9 kB

It’s better to minify JavaScript in order to improve website performance. The diagram shows the current total size of all JavaScript files against the prospective JavaScript size after its minification and compression. It is highly recommended that all JavaScript files should be compressed and minified as it can save up to 43.1 kB or 64% of the original size.

CSS Optimization

-80%

Potential reduce by 84.6 kB

  • Original 106.4 kB
  • After minification 104.6 kB
  • After compression 21.8 kB

CSS files minification is very important to reduce a web page rendering time. The faster CSS files can load, the earlier a page can be rendered. Tvkniga.ru needs all CSS files to be minified and compressed as it can save up to 84.6 kB or 80% of the original size.

Requests Breakdown

We found no issues to fix!

Requests Now

49

After Optimization

49

The browser has sent 49 CSS, Javascripts, AJAX and image requests in order to completely render the main page of Tvkniga. According to our analytics all requests are already optimized.

Accessibility Review

tvkniga.ru accessibility score

68

Accessibility Issues

ARIA

These are opportunities to improve the usage of ARIA in your application which may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

[aria-*] attributes do not match their roles

Contrast

These are opportunities to improve the legibility of your content.

Impact

Issue

High

Background and foreground colors do not have a sufficient contrast ratio.

Names and labels

These are opportunities to improve the semantics of the controls in your application. This may enhance the experience for users of assistive technology, like a screen reader.

Impact

Issue

High

<frame> or <iframe> elements do not have a title

High

Form elements do not have associated labels

High

Links do not have a discernible name

Navigation

These are opportunities to improve keyboard navigation in your application.

Impact

Issue

High

Heading elements are not in a sequentially-descending order

Internationalization and localization

These are opportunities to improve the interpretation of your content by users in different locales.

Impact

Issue

High

<html> element does not have a [lang] attribute

Best Practices

tvkniga.ru best practices score

58

Areas of Improvement

Trust and Safety

Impact

Issue

High

Does not use HTTPS

High

Includes front-end JavaScript libraries with known security vulnerabilities

Low

Ensure CSP is effective against XSS attacks

User Experience

Impact

Issue

High

Serves images with low resolution

General

Impact

Issue

Low

Detected JavaScript libraries

High

Browser errors were logged to the console

SEO Factors

tvkniga.ru SEO score

79

Search Engine Optimization Advices

Language and Encoding

  • Language Detected

    RU

  • Language Claimed

    N/A

  • Encoding

    UTF-8

Language claimed in HTML meta tag should match the language actually used on the web page. Otherwise Tvkniga.ru can be misinterpreted by Google and other search engines. Our service has detected that Russian is used on the page, and neither this language nor any other was claimed in <html> or <meta> tags. Our system also found out that Tvkniga.ru main page’s claimed encoding is utf-8. Use of this encoding format is the best practice as the main page visitors from all over the world won’t have any issues with symbol transcription.

Social Sharing Optimization

Open Graph data is detected on the main page of Tvkniga. This is the best way to make the web page social media friendly. Here is how it looks like on Facebook: